Pulley cloth guide frame for shearing

Abstract

The utility model relates to the technical field of textile cloth production equipment, and discloses a shearing pulley cloth guide frame which comprises a bottom frame, a support, a cloth winding shaft, a position adjusting assembly and a driving assembly. The two supports are arranged on the upper surface of the bottom frame in a spaced mode, and the two ends of the cloth winding shaft are located above the supports. The cloth winding device has the following advantages and effects that the two ends of the cloth winding shaft are placed on the two pulleys through the gear shafts, the screw rod drives the support plate to move by rotating the rotary handle, so that the support connected with the support plate moves towards the other support to be close to or separated from the other support, the distance between the two supports is flexibly adjusted, and the cloth winding effect is improved. And meanwhile, the driving shaft is driven by the power device to rotate, so that the requirement of horizontal movement of the synchronous wheel can be met under the requirement of driving the synchronous wheel to rotate through the convex strip, the cloth winding shaft can automatically rotate to wind cloth under the driving of the pulley, and the use is convenient and rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of textile cloth production equipment, in particular to a pulley cloth guide rack for cutting and trimming. Background Art

[0002] Textile fabric is a kind of fabric made from fiber materials through textile technology. It can be made of natural fibers such as cotton, linen, silk, wool, etc., or made of synthetic fibers such as polyester, nylon, acrylic, etc., or a blend of natural fibers and synthetic fibers. Textile fabrics are of various types and have a wide range of uses. They can be used in many fields such as clothing, home decoration, industrial products, etc.

[0003] At present, in the reprocessing process of textile fabrics in our company, the trimming of fabrics often requires the fabrics to be sorted and transferred to the equipment of the next step or to be temporarily placed for a period of time. Because of the factory restrictions, the fabrics will be laid flat on the open space in the direction of the fabric output of the trimming equipment after trimming, which will occupy the limited space of the factory and waste time in the subsequent processing due to the need for re-sorting. Utility Model Content

[0004] The utility model aims to provide a pulley cloth guide frame for cutting and trimming, which can directly collect cloth on a cloth roller, save space, and facilitate the transfer to the next step of equipment.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a pulley cloth guide frame for cutting and trimming, including a base frame, a support, a cloth winding shaft, a positioning assembly and a driving assembly;

[0006] Two supports are provided and are spaced apart on the upper surface of the base frame. Both ends of the loom shaft are located above the supports. The bottom of one of the supports is fixed to the base frame. The adjustment component is installed at the bottom of the other support to drive the connected supports to move through the adjustment component to adjust the distance between the two supports. The driving component is provided on the support and is connected to both ends of the loom shaft. The rotation of the loom shaft is realized through the driving component so that the loom shaft can reel in the cloth to be trimmed.

[0007] The utility model is further configured as follows: the support comprises a support frame and a bottom plate, and the bottom of the support frame is fixed to the bottom plate.

[0008] By adopting the above technical solution, for the support at a fixed position, its bottom plate and the bottom frame remain fixed.

[0009] The utility model is further configured as follows: two slide rails are arranged at intervals on the base frame, the slide rails are kept parallel to the length direction of the base frame, the positioning assembly includes a slider, a support plate, a screw rod and a handle, the slider and the support plate are respectively slidably arranged in the two slide rails, and the top ends of the slider and the support plate are fixedly connected to the base plate, the screw rod is rotatably installed in the slide rail, and the outer wall of the screw rod is threadedly connected to the support plate, and the handle is fixedly mounted on the outer end of the screw rod.

[0010] By adopting the above technical solution, by rotating the handle, the support plate is subjected to the spiral push-pull force, which drives the bottom plate to move forward or backward along the slide rail.

[0011] The utility model is further configured as follows: a support frame is fixedly installed on the outer side of the base frame, and the driving assembly includes a power device, a driving shaft, a synchronous wheel and a pulley assembly. The power device is fixedly installed on the support frame, one end of the driving shaft is connected to the output end of the power device, the synchronous wheel is rotatably installed on the support frame, and the interior of the synchronous wheel is coaxially connected to the driving shaft, the bottom end of the pulley assembly is connected to the synchronous wheel, and the top end of the pulley assembly is connected to the cloth shaft.

[0012] By adopting the above technical solution, the cloth winding shaft is driven to rotate through the pulley assembly to wind up the cloth.

[0013] The utility model is further configured as follows: a through opening is opened on the support frame, the driving shaft includes a shaft rod and a convex strip, both ends of the shaft rod pass through the through opening and are rotatably connected to the support frame, and one end of the shaft rod passes through the support frame and is connected to the output end of the power device, the convex strip is integrally arranged on the outside of the shaft rod, and the convex strip extends along the length direction of the shaft rod.

[0014] By adopting the above technical solution, when the shaft rod rotates, the synchronous wheel can be driven to rotate through the convex strip.

[0015] The utility model is further configured as follows: a wheel sleeve is fixedly installed on the outer side of the support frame, and the synchronous wheel includes a rotating column, a rod groove and a groove; the outer side of the rotating column is rotatably connected to the wheel sleeve; the rod groove is coaxially opened on the rotating column; the groove is opened on the outer periphery of the rod groove and the inner end of the groove is communicated with the rod groove; the rod groove and the inner wall of the groove are respectively plugged into the shaft rod and the convex strip.

[0016] By adopting the above technical solution, after the shaft rod rotates, the convex strip drives the groove to rotate, so that the rotating column can rotate.

[0017] The utility model is further configured as follows: the pulley assembly includes a first gear, a second gear, a first pulley and a second pulley, the center of the first gear is coaxially fixed to the rotating column, the outer side of the second gear is meshed with the first gear, the first pulley and the second pulley are located above the second gear, and the outer circumferences of the first pulley and the second pulley are both provided with tooth grooves, and the second gear is meshed with the first pulley and the second pulley through the tooth grooves.

[0018] By adopting the above technical solution, after the first gear drives the second gear to rotate, the second gear drives the first pulley and the second pulley to rotate.

[0019] The utility model is further configured as follows: the second gear, the first pulley and the second pulley are all rotatably installed in the support frame, gear shafts are fixedly installed at both ends of the cloth shaft, the first pulley and the second pulley are arranged outside the gear shaft in a bilaterally symmetrical manner, and the outer side of the gear shaft is meshed with the tooth groove.

[0020] By adopting the above technical solution, it is convenient to place the winding shaft directly on the first pulley and the second pulley when placing it, and make the gear shaft mesh with the tooth groove.

[0021] The utility model is further configured as follows: the pulley cloth guide frame also includes a positioning component, a positioning groove is opened on the outer side of the gear shaft, the positioning component includes a vertical frame, a positioning column, an insert block, an insert cylinder, a guide block, a guide rail and an elastic component, the vertical frame is fixedly equipped with a positioning column and an insert block on one side close to the cloth winding shaft, the positioning column is plugged into the inside of the positioning groove, the insert cylinder is fixedly mounted on the outer side of the support frame, and the inside of the insert cylinder is a cylindrical hollow groove structure, the insert block is plugged into the inside of the insert cylinder, a guide block is fixedly mounted on the outer side of the insert cylinder, the guide rail is connected and arranged in the cylindrical hollow groove, the guide block is inserted in the guide rail, and the elastic component is arranged between the insert block and the insert cylinder.

[0022] By adopting the above technical solution, the elastic component can be used to drive the insertion of the insert block and the insert tube to be stably inserted, so that the positioning column can be stably inserted into the positioning groove.

[0023] The utility model is further configured as follows: an installation groove is opened inside the insert block, the elastic component includes a spring, an embedded disk and a limit ring, one end of the spring is fixed to the empty groove of the insert tube, and the other end is fixed on the embedded disk, the limit ring is fixed on the inner side of the installation groove, and the inner and outer sides of the embedded disk are respectively in rotational contact with the installation groove and the limit ring.

[0024] By adopting the above technical solution, when the insert block rotates, it rotates outside the insert disk through the limiting ring, so as to pull the insert disk through the limiting ring.

[0025] The beneficial effects of the utility model are:

[0026] The two ends of the cloth-winding shaft are placed on two pulleys through the gear shaft. By rotating the handle, the screw rod drives the support plate to move, so that the support connected to it moves closer to or separates from the other support, so that the distance between the two supports can be flexibly adjusted to adapt to the use needs of cloth-winding shafts of different lengths. At the same time, the driving shaft is driven to rotate by the power device, so that the synchronous wheel can be driven to rotate through the convex strips, and the need for horizontal movement of the synchronous wheel can also be met, so that the cloth-winding shaft can automatically rotate and wind the cloth under the drive of the pulley, which is convenient and quick to use.

[0027] In addition, by connecting the positioning column with the positioning groove on the cloth-winding shaft, the cloth-winding shaft can be stably connected to the pulley when winding the cloth, and the positioning column can be quickly removed when replacement is required, so as to improve the loading and unloading convenience and operation stability of the cloth-winding shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 A schematic structural diagram of a pulley cloth guide frame for shearing and trimming provided by an embodiment of the utility model;

[0030] Figure 2 This is a structural schematic diagram of the position adjustment component in the embodiment of the utility model;

[0031] Figure 3 It is a schematic diagram of the structure in the embodiment of the utility model;

[0032] Figure 4 This is a schematic diagram of the structure of the drive shaft in the embodiment of the utility model;

[0033] Figure 5 This is a schematic diagram of the structure of the pulley assembly in the embodiment of the utility model;

[0034] Figure 6 It is a structural schematic diagram of the positioning component in the embodiment of the utility model.

[0035] In the figure, 1, base frame; 2, support; 3, weaving shaft; 4, adjustment assembly; 5, driving assembly; 6, positioning assembly; 11, slide rail; 12, support frame; 13, caster; 21, support frame; 22, bottom plate; 23, through hole; 24, wheel sleeve; 31, gear shaft; 32, positioning groove; 41, slider; 42, support plate; 43, screw rod; 44, rotary handle; 51, power device; 52, driving shaft; 53, synchronous wheel; 5 4. Pulley assembly; 521. shaft; 522. convex strip; 531. rotating column; 532. rod groove; 533. groove; 541. first gear; 542. second gear; 543. first pulley; 544. second pulley; 545. tooth groove; 61. vertical frame; 62. positioning column; 63. insert block; 64. insert cylinder; 65. guide block; 66. guide rail; 671. spring; 672. embedded disk; 673. limit ring. DETAILED DESCRIPTION

[0036] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] The utility model embodiment specifically provides a pulley cloth guide rack for cutting and trimming, please refer to Figure 1 , including a base frame 1, a support 2, a weaving shaft 3, a positioning component 4 and a driving component 5;

[0038] A caster 13 is installed at the bottom of the base frame 1 to facilitate the base frame 1 to be sent to the material discharge place of the loom for cloth rolling operation through the caster 13;

[0039] Among them, the support 2 is provided at two locations and is spaced apart on the upper surface of the base frame 1, and both ends of the weaving shaft 3 are located above the support 2, and the bottom of one of the supports 2 is fixed to the base frame 1, and the position of the support 2 on the base frame 1 remains fixed, and the adjustment component 4 is installed at the bottom end of the other support 2, so as to drive the connected support 2 to move through the adjustment component 4, and adjust the distance between the two supports 2, so that the distance between the supports 2 can be flexibly matched with the weaving shafts 3 of different lengths, thereby improving the functionality of use;

[0040] The driving assembly 5 is arranged on the support 2, and the driving assembly 5 is connected to both ends of the cloth-winding shaft 3. The driving assembly 5 is used to rotate the cloth-winding shaft 3 so that the cloth-winding shaft 3 can reel in the cloth to be trimmed.

[0041] For further information, please refer to Figure 1 and Figure 2 The support 2 includes a support frame 21 and a bottom plate 22. The bottom of the support frame 21 is fixed to the bottom plate 22. For the support 2 in a fixed position, its bottom plate 22 remains fixed to the base frame 1, and for the support 2 in a movable position, its bottom plate 22 is in sliding contact with the surface of the base frame 1, so that under the premise that one support 2 remains stationary, the support 2 at another position can move closer to or away from the fixed support 2, thereby achieving a matching effect with the weaving shafts 3 of different lengths.

[0042] Specifically, two slide rails 11 are arranged at intervals on the base frame 1, and the slide rails 11 are kept parallel to the length direction of the base frame 1. The positioning assembly 4 includes a slider 41, a support plate 42, a screw rod 43 and a handle 44. The slider 41 and the support plate 42 are respectively slidably arranged in the two slide rails 11, and the top ends of the slider 41 and the support plate 42 are fixedly connected to the bottom plate 22, so that the bottom plate 22 can slide along the slide rails 11 stably and quickly through the slider 41 and the support plate 42;

[0043] The screw rod 43 is rotatably installed in the slide rail 11, and the outer wall of the screw rod 43 is threadedly connected to the support plate 42, and the handle 44 is fixedly installed on the outer end of the screw rod 43. During implementation, by rotating the handle 44, the support plate 42 is subjected to the spiral push and pull force, driving the bottom plate 22 to move forward or backward along the slide rail 11 to adjust the distance between the two supports 2.

[0044] For further information, please refer to Figure 1 A support frame 12 is fixedly installed on the outer side of the base frame 1, and the driving assembly 5 includes a power device 51, a driving shaft 52, a synchronous wheel 53 and a pulley assembly 54. The power device 51 is fixed on the support frame 12. The type of the power device 51 is a motor to provide a rotational driving force. One end of the driving shaft 52 is connected to the output end of the power device 51, and the driving shaft 52 is driven by the motor to rotate. The synchronous wheel 53 is rotatably installed on the support frame 21, and the interior of the synchronous wheel 53 is coaxially connected to the driving shaft 52, so that the driving shaft 52 can drive the synchronous wheel 53 to rotate. At the same time, when the support 2 is displaced forward and backward as a whole, the synchronous wheel 53 can be synchronously slid and displaced along the axial direction of the driving shaft 52. The bottom end of the pulley assembly 54 is connected to the synchronous wheel 53, and the top end of the pulley assembly 54 is connected to the cloth shaft 3, so that the cloth shaft 3 is driven to rotate through the pulley assembly 54 to reel the cloth.

[0045] For details, please refer to Figure 1 and Figure 2 A through opening 23 is provided on the support frame 21, and the driving shaft 52 includes a shaft rod 521 and a convex strip 522. The two ends of the shaft rod 521 pass through the through opening 23 and are rotatably connected to the support frame 12, and one end of the shaft rod 521 passes through the support frame 12 and is connected to the output end of the power device 51. The convex strip 522 is integrally arranged on the outer side of the shaft rod 521, and the convex strip 522 extends along the length direction of the shaft rod 521, so that when the shaft rod 521 rotates, the synchronous wheel 53 can be driven to rotate through the convex strip 522.

[0046] Among them, a wheel sleeve 24 is fixedly installed on the outer side of the support frame 21, and the synchronous wheel 53 includes a rotating column 531, a rod groove 532 and a groove 533. The outer side of the rotating column 531 is rotatably connected to the wheel sleeve 24 so that the rotating column 531 can be stably embedded and rotated in the wheel sleeve 24. The rod groove 532 is coaxially opened on the rotating column 531, and the groove 533 is opened on the outer periphery of the rod groove 532 and the inner end of the groove 533 is connected to the rod groove 532. The inner walls of the rod groove 532 and the groove 533 are respectively plugged into the shaft rod 521 and the convex strip 522, so that after the shaft rod 521 rotates, the convex strip 522 drives the groove 533 to rotate, so that the rotating column 531 can rotate. During implementation, the convex strip 522 and the groove 533 are respectively arranged in an array along the outer periphery of the shaft rod 521 and the rod groove 532 at two or more locations to improve the rotation convenience and efficiency of the rotating column 531.

[0047] For further information, please refer to Figure 4The pulley assembly 54 includes a first gear 541, a second gear 542, a first pulley 543 and a second pulley 544. The outer end of the rotating column 531 penetrates into the support frame 21. The center of the first gear 541 is coaxially fixed with the rotating column 531, so that when the rotating column 531 rotates, it can drive the first gear 541 to rotate synchronously;

[0048] Among them, the outer side of the second gear 542 is meshed with the first gear 541, the first pulley 543 and the second pulley 544 are located above the second gear 542, and the outer periphery of the first pulley 543 and the second pulley 544 are provided with tooth grooves 545, and the second gear 542 is meshed with the first pulley 543 and the second pulley 544 through the tooth grooves 545, so that after the second gear 542 is driven to rotate by the first gear 541, the second gear 542 drives the first pulley 543 and the second pulley 544 to rotate.

[0049] Among them, the second gear 542, the first pulley 543 and the second pulley 544 are all rotatably installed in the support frame 21, and the gear shaft 31 is fixedly installed at both ends of the cloth-winding shaft 3. The first pulley 543 and the second pulley 544 are arranged outside the gear shaft 31 in a left-right symmetrical manner, and the outer side of the gear shaft 31 is meshed with the tooth groove 545, so that the cloth-winding shaft 3 can be directly placed on the first pulley 543 and the second pulley 544 when it is placed, and the gear shaft 31 is meshed with the tooth groove 545, so that when the first pulley 543 and the second pulley 544 rotate, the gear shaft 31 can be driven to rotate through the tooth groove 545, so that the cloth-winding shaft 3 can reel in the cloth.

[0050] Furthermore, the pulley cloth guide frame also includes a positioning assembly 6, a positioning groove 32 is opened on the outer side of the gear shaft 31, and the positioning assembly 6 includes a vertical frame 61, a positioning column 62, an insert block 63, an insert cylinder 64, a guide block 65, a guide rail 66 and an elastic assembly. The vertical frame 61 is fixed with a positioning column 62 and an insert block 63 on one side close to the cloth-winding shaft 3. The positioning column 62 is plugged into the inside of the positioning groove 32, so that when the gear shaft 31 rotates, the positioning groove 32 can be driven to rotate on the positioning column 62, so as to improve the stability of the gear shaft 31 placed and rotated on the first pulley 543 and the second pulley 544;

[0051] The inserting tube 64 is fixedly mounted on the outside of the support frame 21, and the inside of the inserting tube 64 is a cylindrical hollow groove structure, the inserting block 63 is plugged into the inside of the inserting tube 64, and a guide block 65 is fixedly mounted on the outside of the inserting tube 64, and the guide rail 66 is connected and arranged in the cylindrical hollow groove, and the guide block 65 is inserted into the guide rail 66, so that when the inserting block 63 is separated from the inserting tube 64 by the outward force, the inserting block 63 can be rotated by the rotation force, so that the guide block 65 and the guide rail 66 are misaligned, so that the inserting block 63 cannot be plugged into the inserting tube 64 by the elastic force, so as to facilitate the replacement of another winding shaft 3 and the transfer of the original winding shaft 3 to the next step of the equipment;

[0052] The elastic component is disposed between the insert block 63 and the insert tube 64 , so as to drive the insert block 63 and the insert tube 64 to be plugged stably through the elastic component, so that the positioning column 62 can be stably plugged into the positioning groove 32 .

[0053] During implementation, a mounting groove 631 is opened inside the plug block 63, and the elastic component includes a spring 671, an embedded disk 672 and a limiting ring 673. One end of the spring 671 is fixed to the empty groove of the insert tube 64, and the other end is fixed on the embedded disk 672. The limiting ring 673 is fixed on the inner side of the mounting groove 631. The inner and outer sides of the embedded disk 672 are respectively in rotational contact with the mounting groove 631 and the limiting ring 673, so that when the plug block 63 rotates, it rotates on the outer side of the embedded disk 672 through the limiting ring 673, so that the embedded disk 672 is pulled by the limiting ring 673 to extend the spring 671, while the spring 671 can be prevented from rotating to affect the stability of use.

[0054] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pulley cloth guide for shearing and trimming, characterized in that: It comprises a base frame (1), a support (2), a weaving shaft (3), a positioning component (4) and a driving component (5); The support (2) is provided at two locations and is arranged at intervals on the upper surface of the base frame (1); the two ends of the cloth-winding shaft (3) are located above the support (2); the bottom of one of the supports (2) is fixed to the base frame (1); a positioning component (4) is installed at the bottom of the other support (2) so as to drive the connected support (2) to move through the positioning component (4) and adjust the spacing between the two supports (2); a driving component (5) is arranged on the support (2), and the driving component (5) is connected to the two ends of the cloth-winding shaft (3); the driving component (5) is used to realize the rotation of the cloth-winding shaft (3) so that the cloth-winding shaft (3) can be rolled up with the cloth to be cut and trimmed.

2. A pulley cloth guide for shearing and trimming according to claim 1, characterized in that: The support (2) comprises a support frame (21) and a bottom plate (22), and the bottom of the support frame (21) is fixed to the bottom plate (22).

3. A pulley cloth guide for shearing and trimming according to claim 2, characterized in that: The base frame (1) is provided with two slide rails (11) spaced apart from each other, the slide rails (11) and the base frame (1) are kept parallel in the length direction, the adjustment assembly (4) comprises a slider (41), a support plate (42), a screw rod (43) and a rotary handle (44), the slider (41) and the support plate (42) are respectively slidably arranged in the two slide rails (11), and the top ends of the slider (41) and the support plate (42) are fixedly connected to the base plate (22), the screw rod (43) is rotatably installed in the slide rail (11), and the outer wall of the screw rod (43) is threadedly connected to the support plate (42), and the rotary handle (44) is fixedly mounted on the outer end of the screw rod (43).

4. A pulley cloth guide for shearing and trimming according to claim 3, characterized in that: A support frame (12) is fixedly mounted on the outer side of the base frame (1). The driving assembly (5) comprises a power device (51), a driving shaft (52), a synchronous wheel (53) and a pulley assembly (54). The power device (51) is fixedly mounted on the support frame (12). One end of the driving shaft (52) is connected to the output end of the power device (51). The synchronous wheel (53) is rotatably mounted on the support frame (21). The interior of the synchronous wheel (53) is coaxially connected to the driving shaft (52). The bottom end of the pulley assembly (54) is connected to the synchronous wheel (53), and the top end of the pulley assembly (54) is connected to the cloth winding shaft (3).

5. A pulley cloth guide for shearing and trimming according to claim 4, characterized in that: The support frame (21) is provided with a through opening (23), and the driving shaft (52) comprises a shaft rod (521) and a convex strip (522). The two ends of the shaft rod (521) pass through the through opening (23) and are rotatably connected to the support frame (12), and one end of the shaft rod (521) passes through the support frame (12) and is connected to the output end of the power device (51). The convex strip (522) is integrally arranged on the outer side of the shaft rod (521), and the convex strip (522) extends along the length direction of the shaft rod (521).

6. A pulley cloth guide for shearing and trimming according to claim 5, characterized in that: The support frame (21) is fixedly provided with a wheel sleeve (24) on the outside. The synchronous wheel (53) comprises a rotating column (531), a rod groove (532) and a groove (533). The outer side of the rotating column (531) is rotatably connected to the wheel sleeve (24). The rod groove (532) is coaxially arranged on the rotating column (531). The groove (533) is arranged on the outer periphery of the rod groove (532) and the inner end of the groove (533) is communicated with the rod groove (532). The inner walls of the rod groove (532) and the groove (533) are respectively plugged with the shaft rod (521) and the convex strip (522).

7. A pulley cloth guide for shearing and trimming according to claim 6, characterized in that: The pulley assembly (54) comprises a first gear (541), a second gear (542), a first pulley (543) and a second pulley (544); the center of the first gear (541) is coaxially fixed with the rotating column (531); the outer side of the second gear (542) is meshed with the first gear (541); the first pulley (543) and the second pulley (544) are located above the second gear (542); and tooth grooves (545) are provided on the outer circumferences of the first pulley (543) and the second pulley (544); the second gear (542) is meshed with the first pulley (543) and the second pulley (544) through the tooth grooves (545).

8. The pulley guide frame for shearing and trimming according to claim 7, characterized in that: The second gear (542), the first pulley (543) and the second pulley (544) are all rotatably mounted in the support frame (21); gear shafts (31) are fixedly mounted at both ends of the winding shaft (3); the first pulley (543) and the second pulley (544) are arranged outside the gear shaft (31) in a bilaterally symmetrical manner; and the outer side of the gear shaft (31) is meshed with the tooth groove (545).

9. A pulley cloth guide rack for shearing and trimming according to claim 8, characterized in that: The invention also comprises a positioning assembly (6), wherein a positioning groove (32) is provided on the outer side of the gear shaft (31), and the positioning assembly (6) comprises a vertical frame (61), a positioning column (62), an insert block (63), an insert cylinder (64), a guide block (65), a guide rail (66) and an elastic assembly. A positioning column (62) and an insert block (63) are fixedly mounted on one side of the vertical frame (61) close to the cloth-laying shaft (3), the positioning column (62) is plugged into the inside of the positioning groove (32), the insert cylinder (64) is fixedly mounted on the outer side of the support frame (21), and the inside of the insert cylinder (64) is a cylindrical hollow groove structure, the insert block (63) is plugged into the inside of the insert cylinder (64), a guide block (65) is fixedly mounted on the outer side of the insert cylinder (64), the guide rail (66) is arranged in communication with the cylindrical hollow groove, the guide block (65) is inserted into the guide rail (66), and the elastic assembly is arranged between the insert block (63) and the insert cylinder (64).

10. A pulley cloth guide rack for shearing and trimming according to claim 9, characterized in that: The insert block (63) has a mounting groove (631) formed inside, and the elastic component comprises a spring (671), an insert plate (672) and a limiting ring (673). One end of the spring (671) is fixed to the empty groove of the insert tube (64), and the other end is fixed to the insert plate (672). The limiting ring (673) is fixed to the inner side of the mounting groove (631). The inner and outer sides of the insert plate (672) are respectively in rotational contact with the mounting groove (631) and the limiting ring (673).

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